131300220061 has 2 divisors, whose sum is σ = 131300220062. Its totient is φ = 131300220060.

The previous prime is 131300220013. The next prime is 131300220071. The reversal of 131300220061 is 160022003131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127516124836 + 3784095225 = 357094^2 + 61515^2 .

It is a cyclic number.

It is not a de Polignac number, because 131300220061 - 2¹³ = 131300211869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131300220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65650110030 + 65650110031.

It is an arithmetic number, because the mean of its divisors is an integer number (65650110031).

Almost surely, 2^131300220061 is an apocalyptic number.

It is an amenable number.

131300220061 is a deficient number, since it is larger than the sum of its proper divisors (1).

131300220061 is an equidigital number, since it uses as much as digits as its factorization.

131300220061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131300220061 its reverse (160022003131), we get a palindrome (291322223192).

The spelling of 131300220061 in words is "one hundred thirty-one billion, three hundred million, two hundred twenty thousand, sixty-one".